std_msgs/Header  header

#0:kPassive 1:kForceWaiting 2:kCheckingChangeable 3:kLaneChangingGoingStage1 4:kLaneChangingGoingStage2 5:kBacking 6:kWaiting
#7:kBackingToOriginal 8:kRejected 9:kFailed 10:kFinished
uint8 lane_change_status

#0:kNoInfo 1:kSpeedNotSatisfy 2:Reserved 3:kLaneTypeNotSatisfy 4:kRoadCurveNotSatisfy 5:kFrtDistanceNotEnough 6:Reserved,kRearDistanceNotEnouth
#7:kLaneWidthNotMeet 8:kLaneLineMissed 9:Reserved,kOtherVehicleInvade
uint8 left_risk_status
uint8 right_risk_status
